Added unit test to propagate changes three hops through a data dependency graph
Added unit test to propagate changes three hops through a data dependency graph

Hypercubed/model,Hypercubed/model,Hypercubed/model,pastorenue/model,pastorenue/model,curran/model,pastorenue/model,curran/model,Hypercubed/model,curran/model,pastorenue/model,curran/model